CN108578025A - A kind of balloon-expandable intravascular stent for taking into account compliance and supportive - Google Patents
A kind of balloon-expandable intravascular stent for taking into account compliance and supportive Download PDFInfo
- Publication number
- CN108578025A CN108578025A CN201810361542.XA CN201810361542A CN108578025A CN 108578025 A CN108578025 A CN 108578025A CN 201810361542 A CN201810361542 A CN 201810361542A CN 108578025 A CN108578025 A CN 108578025A
- Authority
- CN
- China
- Prior art keywords
- support body
- annular support
- intravascular stent
- muscle
- dowel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91566—Adjacent bands being connected to each other connected trough to trough
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention provides a kind of balloon-expandable intravascular stent for taking into account compliance and supportive, the intravascular stent includes several groups annular support body and the dowel that is connected between annular support body described in every two adjacent groups；The intravascular stent annular support body is formed by 316L stainless steel tube laser engravings, dowel is process by nickel-titanium alloy material, the connection of 316L stainless steel materials annular support body and nickel-titanium alloy material dowel is realized by laser welding technology, constitute the intravascular stent, the comprehensive supportive and compliance for improving blood vessel, ensure that it can smoothly reach diseased region, reduce the damage to vascular wall, and the ability of holder long service can be improved, it effectively struts blood vessel and ensures blood circulation, reduce the generation of Restenosis.The shape for having changed simultaneously annular support body muscle further enhances holder supportive, increases the contact area with patch, reduces the generation of endovascular restenosis, and improves the fatigue life of intravascular stent.
Description
Technical field
The present invention relates to a kind of intravascular stents of manufacture technology field of medical appliance, and in particular to one kind take into account compliance with
The balloon-expandable intravascular stent of supportive.
Background technology
In recent years, all kinds of acute and chronic angiemphraxis diseases caused by coronary atherosclerotic heart disease are serious to endanger
And human life and health and safety.According to American Heart Association's analysis of statistical data, angiocardiopathy has become mankind's life
Order the number one killer of health.There are drug therapy, surgical operation for the treatment of the angiocardiopathy caused by hemadostewnosis at present
With interventional treatment three categories.The treatment of intravascular stent interventional procedure is with the fastest developing speed at present and obtains one kind of clinical extensive utilization
Effectively treatment angiemphraxis disease major way, has the characteristics that minimally invasive, efficient.
Intravascular stent can be divided into holder balloon-expandable blood according to the difference of stent-expansion mechanism during interventional procedure
Pipe holder and self-expansion type intravascular stent.Material according to manufacture holder is different, but can be divided into 316L medical stainless steels holder,
Nick-eltitanium alloy stent, cochrome holder, biodegradable magnesium-alloy stent etc..The usually used material of balloon expandable stent
Material is medical stainless steel, and self-expanding stent commonly used material is Nitinol.Balloon expandable stent interventional procedure be by
Homogenous material is usually that intravascular stent made of stainless steel material laser engraving in advance hold on the sacculus folded by pressure, then
As sacculus reaches diseased region along guiding wire together, then balloon inflation, expands holder narrow to strut
Blood vessel, it is unimpeded to restore blood flow.The holder supportive of this stainless steel material is good, but due to the intrinsic characteristic of timbering material
So that it is unlikely to deform, compliance is not good enough.Self-expansion type holder interventional procedure be first holder is carried out in vitro it is heat-treating profiled,
Then holder pressure is held in delivery conduit, after reaching patient's lesion vessel position, the energy after releasing holder in Conveying target pipe
It is enough to restore the shape before its pressure is held automatically, stenotic lesion blood vessel is strutted, it is unimpeded to restore blood flow.This self-expansion type holder feature is
Compliance is good, vascular wall is injured it is smaller, but also due to what the intrinsic characteristic of its material to be process with Nitinol
Its supportive of holder is comparatively poor.It can be seen that compliance is the strong point of nick-eltitanium alloy stent well, and supportive is good
It is the strong point of stainless steel stent.
In the performance indicator of holder, the submissive performance and support performance of holder imitate clinic after surgical procedure and operation
Fruit all plays a crucial role.The submissive performance of holder influences whether the excessively curved ability in delivery conduit of holder, soft
Pliable difference can stretch even damage blood vessel, or be hard to reach diseased region.The supportive of holder can influence holder long service
Ability cannot strut in the blood vessel of stenosis, or operation if the supportive of holder is very poor and allow to strut, and perform the operation
Restenosis incidence afterwards also can be relatively high.Presently, there are the problem of be that the supportive of stainless steel stent is good, but compliance
Difference, and nick-eltitanium alloy stent is exactly the opposite, the compliance of nick-eltitanium alloy stent is good, but supportive is poor.
Invention content
In response to the deficiencies in the existing technology, the present invention provides a kind of balloon-expandables for taking into account compliance and supportive
Intravascular stent is learnt from other's strong points to offset one's weaknesses, the good advantage of balloon-expandable stainless steel stent supportive and self-expansion type nick-eltitanium alloy stent
The good advantage of compliance fully combines, and achievees the effect that comprehensive performance is best.The supportive for solving stainless steel stent is good, but
It is that compliance is poor, and nick-eltitanium alloy stent is exactly the opposite, the compliance of nick-eltitanium alloy stent is good, but supportive is poor, and cannot
Reach the problem of taking into account compliance and supportive.
The technical scheme is that：A kind of balloon-expandable intravascular stent for taking into account compliance and supportive, if including
Dry group annular support body and the dowel being connected between annular support body described in every two adjacent groups；
The annular support body is longitudinally arranged in order along intravascular stent, and the annular support body per two adjacent groups is in minute surface
Symmetrical, annular support body described in each group includes several sinusoidal unit waves, week of the unit wave along the intravascular stent
To being arranged in order；
The annular support body is made of stainless steel, and dowel is made of Nitinol.
In said program, the muscle thickness of the annular support body remains unchanged, and the muscle of annular support body is wide regularly
Variation, i.e., from the wave crest of annular support body to muscle middle-end, the width of annular support body muscle from large to small, from muscle
The width of annular support body muscle during trough is held to change from small to big again, the wide A axis for middle of muscle of annular support body
It is symmetric, and the width of middle is most narrow, for 0.5-0.65 times at wave crest or trough, the global shape of supporter muscle is in
The apperance of existing " knot ".
In said program, balloon-expandable intravascular stent is modularized design, including circumferential support module and dowel
Module.
In said program, the circumferential support module and dowel module are by being welded to connect.
In said program, the stainless steel is 316L stainless steels.
In said program, the dowel is any one in L-type or V-type or W types or S types or its combined dowel
Kind.
The present invention has the advantages that compared with prior art：
1. the present invention is laser welding technology by supporter made of 316L stainless steel materials and nickel-titanium alloy material system
At dowel connection, the advantage that stainless steel stent supportive is good and nick-eltitanium alloy stent compliance is good is fully combined,
The comprehensive supportive and compliance for improving blood vessel ensures that it can smoothly reach diseased region, reduces the damage to vascular wall,
And the ability of holder long service can be improved, it effectively struts blood vessel and ensures blood circulation, reduce the generation of Restenosis.
2. the present invention changes the shape of the annular support body, the muscle thickness of the intravascular stent supporter remains unchanged,
And the muscle of supporter is wide regularly changes, i.e., from supporter wave crest to muscle middle-end, the width of muscle from large to small,
The width of muscle changes from small to big again during the middle-end to trough of muscle, and supporting rib middle width is the 0.5- at Wave crest and wave trough
0.65 times, the apperance of " knot " is presented in the global shape of supporter muscle.Intravascular stent is when bearing circumferential pressure, at Wave crest and wave trough
Strain is violent, and weakens to supporting rib middle.The supporter enhances intensity at Wave crest and wave trough, at the same increase holder with
Patch contact area reduces the generation of Restenosis.Compared with uniform supporting rib, maximum strain value has notable drop
It is low so that holder supportive is further enhanced, meanwhile, improve the fatigue life of holder.
3. balloon-expandable intravascular stent of the present invention is modularized design, including circumferential support module and dowel mould
Block, can be according to actual quantity demand, by the circumferential support module and dowel module by being welded to connect.
Description of the drawings
Fig. 1 is the intravascular stent structural schematic diagram of the present invention for taking into account compliance and supportive；
Fig. 2 is the intravascular stent structure expanded schematic diagram of the present invention for taking into account compliance and supportive；
Fig. 3 is individual ring supporting body structure expanded schematic diagram.
In figure, 1, annular support body；2, dowel；3, pad；4, trough；5, wave crest.
Specific implementation mode
Invention is further described in detail for specific implementation mode below in conjunction with the accompanying drawings, but protection scope of the present invention is simultaneously
It is without being limited thereto.
A kind of balloon-expandable intravascular stent for taking into account compliance and supportive, including several groups annular support body 1 and company
The dowel 2 being connected between annular support body 1 described in every two adjacent groups；The annular support body 1 is longitudinal successively along intravascular stent
Arrangement, the annular support body 1 per two adjacent groups is symmetrical in minute surface, and annular support body 1 described in each group includes several
Sinusoidal unit wave, the unit wave are arranged in order along the circumferential direction of the intravascular stent；The annular support body 1 is stainless steel
It is made, dowel 2 is made of Nitinol.
The muscle thickness of the annular support body 1 remains unchanged, and the muscle of annular support body 1 is wide regularly changes, i.e., from
Start the middle-end to muscle at the wave crest of annular support body 1, the width of 1 muscle of annular support body from large to small, from the middle-end of muscle to wave
The width of 1 muscle of annular support body changes from small to big again during paddy, and the wide A axis for middle of muscle of annular support body 1 is in pair
Claim distribution, and the width of middle is most narrow, the global shape for 0.5-0.65 times at wave crest or trough, supporter muscle is presented
The apperance of " knot ".
Balloon-expandable intravascular stent is modularized design, including circumferential support module and dowel module.The ring
Shape supports module and dowel module by being welded to connect.
The dowel 2 is any one in L-type or V-type or W types or S types or its combined dowel.
The cross sectional shape of the dowel 2 is rectangle, and muscle is thick and muscle is wide all remains unchanged.
Fig. 1 and Fig. 2 show a kind of balloon-expandable intravascular stent for taking into account compliance and supportive of the present invention
A kind of embodiment.Modularization is presented in the design and processing of the intravascular stent, including support module and dowel module.
Support module is made of 316L stainless steel tube laser engravings, and dowel module is process by nickel-titanium alloy material.
In present embodiment, the intravascular stent has eight groups of annular support bodies 1, and every group of annular support body 1 gathers around that there are six just
String unit wave is connected by three dowels 2 between two neighboring annular support body 1, and dowel 2 is supported with adjacent annular respectively
The wave crest of body 1 connects, and a sinusoidal unit wave is spaced between adjacent dowel 2, and dowel 2 is all made of L-type.
Support module and the connection of dowel module are completed by laser welding, Laser Welding contact 3 be located at dowel 2 and
The both ends that annular support body 1 contacts.Supported in the intravascular stent module and dowel module number depend on holder
Length is increased and decreased according to the length of holder.
The muscle thickness of the annular support body 1 remains unchanged, and the muscle of annular support body 1 is wide regularly changes.Such as Fig. 3
Shown, the muscle width of Wave crest and wave trough is W2, 1 middle muscle width of annular support body is W1.To in muscle since from supporter wave crest 5
End, from large to small, the width of muscle changes from small to big the width of muscle again during the middle-end to trough 4 of muscle, annular support body 1
The wide A axis for middle of muscle is symmetric, and the width of middle is most narrow, supporter muscle middle width W1It is wave crest wave
W at paddy20.5-0.65 times, the apperance of " knot " is presented in the global shape of supporter muscle.
The cross sectional shape of the intravascular stent dowel 2 is rectangle, and muscle is thick and muscle is wide all remains unchanged.
The present invention is laser welding technology by annular support body 1 and nickel-titanium alloy material made of 316L stainless steel materials
Manufactured dowel 2 connects, and the advantage that stainless steel stent supportive is good and nick-eltitanium alloy stent compliance is good is fully combined
Come, the comprehensive supportive and compliance for improving blood vessel ensures that it can smoothly reach diseased region, reduce the damage to vascular wall
Wound, and the ability of holder long service can be improved, it effectively struts blood vessel and ensures blood circulation, reduce the hair of Restenosis
It is raw.
The present invention changes the shape of the annular support body 1, and the muscle thickness of the annular support body 1 remains unchanged, and props up
The muscle of support body is wide but regularly to be changed, i.e., from 11 wave crest of annular support body to muscle middle-end, the width of muscle is by becoming greatly
Small, the width of muscle changes from small to big again during the middle-end to trough of muscle, and supporting rib middle width is at wave crest or trough
0.5-0.65 times, the apperance of " knot " is presented in the global shape of supporter muscle.Intravascular stent is when bearing circumferential pressure, wave crest
It strains acutely at trough, and weakens to supporting rib middle.The annular support body 1 enhances intensity at Wave crest and wave trough, simultaneously
Holder and patch contact area are increased, the generation of Restenosis is reduced.More uniform supporting rib is compared, maximum strain
Value has significant decrease so that and holder supportive is further enhanced, meanwhile, improve the fatigue life of holder.
The embodiment is the preferred embodiments of the present invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification all belongs to the scope of protection of the present invention.
Claims (6)
1. a kind of balloon-expandable intravascular stent for taking into account compliance and supportive, which is characterized in that including several groups ring-type branch
Support body (1) and the dowel (2) being connected between annular support body (1) described in every two adjacent groups；
The annular support body (1) is longitudinally arranged in order along intravascular stent, and the annular support body (1) per two adjacent groups is in mirror
Face is symmetrical, and annular support body (1) described in each group includes several sinusoidal unit waves, and the unit wave is along the intravascular stent
Circumferential direction be arranged in order；
The annular support body (1) is made of stainless steel, and dowel (2) is made of Nitinol.
2. a kind of balloon-expandable intravascular stent for taking into account compliance and supportive according to claim 1, feature exist
In the muscle thickness of the annular support body (1) remains unchanged, and the muscle of annular support body (1) is wide regularly changes, i.e., from ring
Start the middle-end to muscle at the wave crest of shape supporter (1), the width of annular support body (1) muscle from large to small, from the middle-end of muscle to
The width of annular support body (1) muscle changes from small to big again during trough, the wide A for middle of muscle of annular support body (1)
Axis is symmetric, and the width of middle is most narrow, for 0.5-0.65 times at wave crest or trough.
3. a kind of balloon-expandable intravascular stent for taking into account compliance and supportive according to claim 1, feature exist
In balloon-expandable intravascular stent is modularized design, including circumferential support module and dowel module.
4. a kind of balloon-expandable intravascular stent for taking into account compliance and supportive according to claim 3, feature exist
In the circumferential support module and dowel module are by being welded to connect.
5. a kind of balloon-expandable intravascular stent for taking into account compliance and supportive according to claim 1, feature exist
In the stainless steel is 316L stainless steels.
6. a kind of balloon-expandable intravascular stent for taking into account compliance and supportive according to claim 1, feature exist
In the dowel (2) is any one in L-type or V-type or W types or S types or its combined dowel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361542.XA CN108578025A (en) | 2018-04-20 | 2018-04-20 | A kind of balloon-expandable intravascular stent for taking into account compliance and supportive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361542.XA CN108578025A (en) | 2018-04-20 | 2018-04-20 | A kind of balloon-expandable intravascular stent for taking into account compliance and supportive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108578025A true CN108578025A (en) | 2018-09-28 |
Family
ID=63613494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361542.XA Pending CN108578025A (en) | 2018-04-20 | 2018-04-20 | A kind of balloon-expandable intravascular stent for taking into account compliance and supportive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108578025A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512558A (en) * | 2018-12-31 | 2019-03-26 | 杭州天启钛智能科技有限公司 | A kind of application method of intravascular stent and intravascular stent |
| CN113827384A (en) * | 2021-09-26 | 2021-12-24 | 南华大学 | Composite structure unit's vascular support |
| CN115429507A (en) * | 2021-06-03 | 2022-12-06 | 赛诺神畅医疗科技有限公司 | Self-expansion type drug coating intravascular stent |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190406B1 (en) * | 1998-01-09 | 2001-02-20 | Nitinal Development Corporation | Intravascular stent having tapered struts |
| WO2004084769A2 (en) * | 2003-03-28 | 2004-10-07 | Damian John Conway | Stents |
| CN2708927Y (en) * | 2004-04-28 | 2005-07-13 | 微创医疗器械(上海)有限公司 | Self-expanding type blood vessel dilator |
| CN203425071U (en) * | 2013-08-16 | 2014-02-12 | 江苏大学 | Blood vessel stent suitable for conical blood vessel |
| CN105147424A (en) * | 2015-09-25 | 2015-12-16 | 北京工业大学 | Novel vascular stent |
| CN205054506U (en) * | 2015-09-17 | 2016-03-02 | 江苏大学 | Blood vessel support with anti linear deformation |
| CN105596125A (en) * | 2016-02-04 | 2016-05-25 | 西安爱德万思医疗科技有限公司 | Pipe-network type intravascular stent formed by material of body absorbable zinc and zinc alloy thereof |
-
2018
- 2018-04-20 CN CN201810361542.XA patent/CN108578025A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190406B1 (en) * | 1998-01-09 | 2001-02-20 | Nitinal Development Corporation | Intravascular stent having tapered struts |
| WO2004084769A2 (en) * | 2003-03-28 | 2004-10-07 | Damian John Conway | Stents |
| CN2708927Y (en) * | 2004-04-28 | 2005-07-13 | 微创医疗器械(上海)有限公司 | Self-expanding type blood vessel dilator |
| CN203425071U (en) * | 2013-08-16 | 2014-02-12 | 江苏大学 | Blood vessel stent suitable for conical blood vessel |
| CN205054506U (en) * | 2015-09-17 | 2016-03-02 | 江苏大学 | Blood vessel support with anti linear deformation |
| CN105147424A (en) * | 2015-09-25 | 2015-12-16 | 北京工业大学 | Novel vascular stent |
| CN105596125A (en) * | 2016-02-04 | 2016-05-25 | 西安爱德万思医疗科技有限公司 | Pipe-network type intravascular stent formed by material of body absorbable zinc and zinc alloy thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512558A (en) * | 2018-12-31 | 2019-03-26 | 杭州天启钛智能科技有限公司 | A kind of application method of intravascular stent and intravascular stent |
| CN115429507A (en) * | 2021-06-03 | 2022-12-06 | 赛诺神畅医疗科技有限公司 | Self-expansion type drug coating intravascular stent |
| CN113827384A (en) * | 2021-09-26 | 2021-12-24 | 南华大学 | Composite structure unit's vascular support |
| CN113827384B (en) * | 2021-09-26 | 2023-11-03 | 南华大学 | Vascular stent with composite structural unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10744012B2 (en) | Alternating circumferential bridge stent design and methods for use thereof | |
| US10092427B2 (en) | Alternating circumferential bridge stent design and methods for use thereof | |
| CN101642397B (en) | Netty circular tube type intravascular stent | |
| CN106137484A (en) | A kind of self-expansion type conical blood vessel support | |
| CN109431664B (en) | Asymmetric intravascular stent | |
| CN108578025A (en) | A kind of balloon-expandable intravascular stent for taking into account compliance and supportive | |
| CN102525701B (en) | Absorbable blood vessel stent | |
| CN106691647B (en) | A kind of biodegradable metals intravascular stent and its application | |
| CN106361478B (en) | A kind of mixed type balloon-expandable intravascular stent | |
| CN105726174B (en) | A kind of intravascular stent, preparation method and application | |
| CN204951247U (en) | Biodegradable metal blood vessel support | |
| CN203408130U (en) | Self-expansion carotid artery covered stent | |
| CN112089511B (en) | Self-expansion type conical intravascular stent applied to multiple stenosis of conical blood vessel | |
| CN107714244A (en) | Vein blood vessel is from swollen support | |
| CN103550017A (en) | Intravascular stent applicable to conical blood vessel | |
| CN105167881B (en) | A kind of intravascular stent with resisting longitudinal deformation | |
| CN109846585A (en) | A kind of aorta pectoralis intravascular stent connected with keel | |
| CN103300951A (en) | Vertebral artery stent | |
| WO2017124375A1 (en) | Self-expanding stent for medical use | |
| CN203425071U (en) | Blood vessel stent suitable for conical blood vessel | |
| CN106726039B (en) | A kind of open self-expanding stent of spiral | |
| CN210096005U (en) | Thoracic aorta blood vessel support connected by keels | |
| CN208404997U (en) | Vein blood vessel is from swollen bracket | |
| CN111374809B (en) | Vertebral artery stent | |
| CN203493779U (en) | Coronary vessel stent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |